return s.newValue2(ssa.OpStringMake, n.Type(), ptr, len)
	case ir.OSTR2BYTESTMP:
		n := n.(*ir.ConvExpr)
		str := s.expr(n.X)
		ptr := s.newValue1(ssa.OpStringPtr, s.f.Config.Types.BytePtr, str)
		if !n.NonNil() {
			// We need to ensure []byte("") evaluates to []byte{}, and not []byte(nil).
			//
			// TODO(mdempsky): Investigate using "len != 0" instead of "ptr != nil".